Siphon flush-tank.



J. N. MURPHY.

SIPHON FLUSH TANK.

APPLICATION man SEPT. 10. |911.

1,298,549. Patented Mm. 25,1919.

INVENTOL'.

Y .JM 0. JMW? WITAESSES:

UNTTED STATES PATENT FFTF.

JOHN N. MURPHY, 0F SPRINGFIELD, ILLINOIS, ASSIGNOR OF ONE-THIRD TO FREDI-I.

. BAKER, OF TULSA, OKLAHOMA.

SIPHON FLUSH-TAN K.

Speccation of Letters Patent.

Patented Mar. 25, 1919.

Application filed September 10, 1917. Serial No. 190,688.

T0 all whom t may concern:

Be it known that I, Jol-IN N. MURPHY, a citizen of the United States,residing at Springfield, in the county of Sangamon and State ofIllinois, have invented new and useful Improvements in Siphon Flush-Tanks, of which the following is a specification. y

My invention relates to improvements in siphon flush tanks.

The purposes of the invention are to provide a flush tank having asiphon structure integral with the body of the tank, and to providemeans for controlling the flow of water through the siphon structure toinduce siphon action to cause the water in the tank to be dischargedthrough the siphon structure. The invention is illustrated in theanneXed drawings, to` which reference is hereby made and will now befully described and the novel features thereof will be recited in theclaims.

Figure 1 is a longitudinal sectional view of a flush tank and the siphonstructure embodying my invention, taken on the line 1. 1. of Fig. 2.Fig. 2 is a top plan of the flush tank and accessories; and Fig. 3 is anenlarged vertical section on the line 3. 3. of Fig. 2. The ball cock isomit-ted ,from this view.

The same reference numerals designate the same parts in all the views.

The tank body 1 is preferably of cast metal. The tank-bottom 10 ispreferably flat as shown. rThe end walls Ll1 and the side walls 42 arepreferably erect relative to the bottom, as shown. rIhe siphon structureis integral with the tank body and comprises a vertical member 2 and anunobstructed horizontal member 4. A vertical partition 3 divides thevertical member of the siphon structure into a water chamber 35receiving water from the tank through the inlet opening 10 and an airchamber 36 in unobstructed communication with the interior of thehorizontal member 4L of the siphon structure, said member 4 beingadapted to eect free and unobstructed discharge of water through thenipple 6.

The preferred accessories used in conjunction with the siphon-structurewill now be described.

The flanged nipple 6 occupies the opening 5 in the bottom of the tank; apacking ring 7 and a stuilingsbox ring 8 surround the nipple and areadapted to enter the opening 5. A nut 9 screws onto the nipple and upontightening the nut, the ring 8 will ress the packing 7 into the opening5 to mi :e water tight connection of the nipple with the tank.

, A water-connection nipple 12 at the lower end of the main supply pipe11 extends through the bottom of the tank and has dircct communicationwith the source of water supply and with the interior of the supplypipe. The supply pipe has a lateral member 13, Fig. 3. The body 11 ofthe self-closing faucet screws into the member 13. The intake pipe 29,(Fig. 1), screws into an elbow 28 on the supply pipe 11 and deliverswater under pressure from the supply pipe into the tank when theball-cock 30 is open.

A ball-cock 30, of usual construction, communicates with the interior ofthe supply pipe through the opening 27 (Fig. 3). The means for operatingthe ball-cock 30 comprises a lever 32 (Fig. 1), having a link connectionwith the handle of the ball-cock, a float 31 floatable on the water inthe tank and a rod 33 connecting the ioat with the lever 32.

A valve-seat member 15 having a circular flange 16 is located in theouter end of the member 13, and the inner end of the faucetbody bearsagainst the flange 16 to hold the part 15 firmly in place. The outletmember 25 (Figs. 1 and 3), of the self-clos ing faucet communicates withthe chamber 36 of the siphon-structure through the opening 26 in the topof the siphon structure in line with the air chamber 36. Packing 37surrounds the member 25 and prevents leakage at the juncture of the cockwith the siphon structure.

A block 20 (Fig. 3), extends through the wall of the tank andscrews intothe body 11 and has at its outer end wedge-shape members 38. A valve rod17 within the faucet-body extends outwardly through the block 20 andthrough the hub of the lever 21 and has at its inner end a plug 19adapted to seat on the member 15. A spring 18 surrounds the valve rodand normally acts to hold the plug 19 against the seatmember 15. The hubof the operating-lever 21 has wedge-shape members 39 which engage themembers 38 of the block 2O to cause the valve rod to slide outwardly inthe block 21. A screw 24 screws into the end of the valve-rod and'connects together'the parts 17, 2l and 23. Packing 34 in the block 20'surrounds the stem 17 and prevents leakf, age around the stem.

Operation.

In practice the supply pipe VWithin the'r Hush tank, being connectedAWith the source of Water supply asis usual, and theballcockt 30 ybeingopen, Waterunder pressurev Will `flow through.. thesupply pipe- 11.*andtheintake-pipe29 into the tank and thence through the` opening.. 10 intothe Waterchamber 35 ofthe` Siphon-structure, until the Water `inthetankand in the chamber 35 reaches` the level of'theupperfend of theverticalpartition 3'; and thereupon the iioat.y

31, floating in the'vvater in the tank, Will cause-the rod 33 htooperate the lever-,32 and connectionsf to closethe ballcock30, to-v stopthe loWof the Water.- To dischargefthe Water from thetankthelever 21will bef-- operated.. by hand` to open thevalve 19--to permitWaterlfromv the supply pipe 1l to How-through vthe/...outlet 25 into thechamber 36 to expel` air vfrom the chamber 'and thereby. induce vSiphonYaction to discharge thecontents oit-the tank throughy the outletl 6.When a suiiicient quantity of Water has been-Withdrawnfrom the tank,lthe valve 19 Will close automatically v.to stop 'the outward iiovvl lof`vvater. through the Siphon-structure and :permit the :Water from thesupply ,pipe-y to ow throughthepipe 29 into the tank lto refill thetank; and so on as often as it may partingirom thefbroadispirit of myinven-y be desired-,to usethe Water .in the-ftankand refill. the tank.

l/Vhile-I have Yherein described and shown` the preferred. embodiment ofmy invention,

details; of construction`1 and l arrangement shown, Y as uit L isobvious thatv those details may be'variedl in many yWays Withoutldetion.

' an erect first Siphon-member integral With one sidewall and one endWfall of the tank# body-and havinga-topga partition integral with thebottom and one side Wall of the tank-body and Withaoneside Wall ofytheereet 160 Siphony member, and dividing.itfinto an air chamber andaWater chamber, Aaninletzopen.-l ing throughy one Wallwo theerectzsip-hona member andI communicatingflwith' the Water chamberthereof, an opening .throughs the topr= of theerect Siphon member fandiline 'Withl the air chamber thereof; and a second siphonu memberintegrali- 1with;` the 1 bottom andone side Wall of the tank-body and;intercom--1 mu11icating-;"With the airy chamber of f the `70 erectvSiphon member and `Withthe :discharge opening throughfthe bottom:` of"thea/tank.

2; Inra f flush tank, the combinationfof the-Y` one-.piece tank andSiphon: structure recitedin claim l a supply pipe stationary inv the:I75 tank-body and receiving Water-directly fromr: thefsource of Watersupply," andfa cock;7 inir communication` Withl the rv supply,` pipefand.: having an'outletin `line With jtheyaXisfof the fair.l chamber ;offthe Eerect fsiphon memberf'fso of the one-piece tankand'siphonstrueture-.f

3.4 Ina flush! tank the-combinati'ol'l of Kthe onefpiece tank and-Siphonstructuref-recited in claim l; a-supply pipeystationaryximthey tankcand:receiving Water; directly fromitheVl 'source-lof the Waterfsupply; acock infcomfz munication with,Y the supply @pipe- .f'andrhavf ing .L an;outlet inline. with the -air chamber of the erect siphon member of theoneapiece tank and 4siphonffstructure; andi anfiin-take 90 pipe incommunicationfwith the-'fcockyfand deliveringvvaterintofthe tank.'

J OHN INi- MURPHY.

Witnesses:

EDWARD-FREE, FRED-D. SILLoWfnr-iv Copesothis patent may be obtained `forive `cents each,'-`by,addressng the Commissioner/not.- 1ete1z.ts,==i

Washington, 1).!03?

